Energy harvesting with thermoplastic polyurethane nanofiber mat integrated with functionalized multiwalled carbon nanotubes

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Research Pub Date : 2024-06-17 DOI:10.1557/s43578-024-01368-8

Julia I. Salas, Sk Shamim Hasan Abir, Diego de Leon, Ignacio Serrato, Horacio Vasquez, Karen Lozano, M. Jasim Uddin

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引用次数: 0

Abstract

Triboelectric nanogenerators (TENGs) have received considerable attention as flexible and stretchable systems capable of harvesting energy and converting mechanical into electrical energy. This paper reports on Forcespinning-synthesized poly(vinylidene fluoride) (PVDF) and thermoplastic polyurethane (TPU) nanofiber (NF) membranes based TENG. To improve the TENG, the TPU NFs were decorated with multi-walled carbon nanotubes (MWCNT) functionalized with fluoride, amide, and carboxylic groups. The NF demonstrated a stronger interaction with the carboxylic-functionalized MWCNT (c-MWCNT). Furthermore, the c-MWCNT functionalized TPU/PVDF TENGs were evaluated by applying compressive force (30 psi) utilizing a pneumatic cylinder. The maximum alternating voltage, and current outputs were 158 V and 170 µA respectively. The TENG charging capacity for the samples dipped for 12 h in the c-MWCNT showed an ability to charge a 1 µF capacitor up to 3.03 V in 25 s of hand tapping, suggesting that the fabricated TENG has the capability to function as a self-charging flexible energy harvester.

Graphical abstract

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用集成了功能化多壁碳纳米管的热塑性聚氨酯纳米纤维毡收集能量

三电纳米发电机（TENGs）作为能够收集能量并将机械能转化为电能的柔性可伸缩系统，已受到广泛关注。本文报告了基于 Forcespinning 合成的聚（偏二氟乙烯）（PVDF）和热塑性聚氨酯（TPU）纳米纤维（NF）膜的三电纳米发电机。为了改进 TENG，用氟化物、酰胺和羧基官能化的多壁碳纳米管（MWCNT）装饰了热塑性聚氨酯（TPU）纳米纤维膜。NF 与羧基官能化的多壁碳纳米管（c-MWCNT）的相互作用更强。此外，利用气缸施加压缩力（30 psi）对 c-MWCNT 功能化 TPU/PVDF TENG 进行了评估。最大交流电压和电流输出分别为 158 V 和 170 µA。在 c-MWCNT 中浸泡 12 小时的样品的 TENG 充电能力显示，在 25 秒的手动敲击时间内，1 µF 电容器的充电电压可达 3.03 V，这表明所制造的 TENG 具有作为自充电柔性能量收集器的能力。

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来源期刊

Journal of Materials Research 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.70%

发文量

362

审稿时长

2.8 months

期刊介绍： Journal of Materials Research (JMR) publishes the latest advances about the creation of new materials and materials with novel functionalities, fundamental understanding of processes that control the response of materials, and development of materials with significant performance improvements relative to state of the art materials. JMR welcomes papers that highlight novel processing techniques, the application and development of new analytical tools, and interpretation of fundamental materials science to achieve enhanced materials properties and uses. Materials research papers in the following topical areas are welcome. • Novel materials discovery • Electronic, photonic and magnetic materials • Energy Conversion and storage materials • New thermal and structural materials • Soft materials • Biomaterials and related topics • Nanoscale science and technology • Advances in materials characterization methods and techniques • Computational materials science, modeling and theory